Before debugging the MSI interrupt of the PCI-E, you need to ensure that the traditional interrupt is called, and then DEBUG this. Msi interruption is essentially a memory read/write event. Set the MSI address to an address in the memory (which can be 64-bit). When an MSI interruption occurs, the interrupt source will write the MSI data to the address of the MSI address. That is to say, if there are four MSI disconnections, data, data + 1, data + 2, a
I discussed MSI/msix with a friend that day. The following is a summary of the discussion:
1. The MSI-X table and PBA structure is too large, msix capability and can only be placed in the configuration space 64-255 this area, so only the table and PBA in the device memory space. Msix capability stores bar numbers and offsets to configure the spatial index table and PBA.
2.The Message Address field in MSI capability is not defined in the PCI specif
Recently installed Windows XP discovered this problem, the unknown device in Windows XP Device Manager could not be driven, and the location was displayed as: PCI standard ISA Birdge, the internet search was finally found in Hewlett-Packard (HP) officially, the problem.
Fault description
An unknown device with a question mark in front of it appears in Device Manager and cannot be driven.
Double-click Unknown Device to see properties:
Cause
PCI DSS and Cloud Primer
The news is always full of major accidents such as customer credit card information leaks. The payment card Industry Data Security Standard (PCI DSS) presents best practices to protect against hacker attacks that are dangerous to steal business data and customer identity information. By using these 12 steps, you can set up a framework that can be used for secure payment environment
Http://hi.baidu.com/linux_kernel/blog/item/5c8510dfbfdb9b1363279884.html
In order to see the actual running effect, we select the 8139too Nic as an example. Program Cropping Code .The driver of a PCI device must describe itself to the PCI core in the kernel. At the same time, it must also tell the PCI core which devices can be driven by itself. The following des
During this period of time, we need to get the debugging and driver development work related to PCI Express. The old rule is that we should first look for information on the Internet. This kind of stuff is quite rare and we have already bought a book, I plan to summarize it by myself. This article describes how to configure the PCI bus in PowerPC.
PowerPC uses a mechanism called FDT flat device description
Release date:Updated on: 2013-02-27
Affected Systems:XenSource XenDescription:--------------------------------------------------------------------------------Bugtraq id: 57740CVE (CAN) ID: CVE-2013-0231Xen is an open-source Virtual Machine monitor developed by the University of Cambridge.
On Linux kernel 2.6.18 and 3.8, the pciback_enable_msi function of the Xen PCI backend Driver (drivers/xen/pciback/conf_space_capability_msi.c) allows the client OS
Link to this article:
Http://qikee.blogbus.com/logs/37072405.html
The I/O port is the communication mode between the driver and many devices. The Linux Kernel provides an operation interface for I/O port allocation, but for PCI devices, its Configuration address space has already specified the I/O port range for it, and no additional allocation operation is required. Linux KernelProvides the following inline functions to access the I/O port:Unsigned I
The sample code provided by Zhou ligong Can PCI interface card is VC, VB and Delphi, without the example of C #. net. However, when using C # To call can APIs, these APIs are very strict in data type verification, so debugging is troublesome. After a while, I finally used C #2.0 vs.2008 to call the can API to send and receive data normally.
Now the API statement is provided as follows. If you have the same requirement, you can avoid a lot of detours.P
Article title: PCI device driver design based on Linux platform. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Chapter 1 Linux device management overview
1.1 Device Category
In Linux, device management has its own characteristics: abstract all hardware devices, making operations on hardware devices very similar t
Windows XP has been installed recently. The driver cannot be driven by an unknown device in the Windows XP Device Manager, and the driver is displayed as PCI standard ISA birdge) this problem was officially discovered.
Fault description
In the Device Manager, a question mark is displayed.Unknown DeviceUnable to drive.
Double-clickUnknown DeviceView properties:
Fault Cause
The driver of this device is not added to the user.Program.
A computer with a Windows XP operating system cannot be started after installing a PCI network card, only mentioning
Updating ESCD and building DMI pool.
Analysis
Many motherboards automatically update the ESCD and DMI data saved in the BIOS chip when new accessories are installed. If this
This behavior occurs when the motherboard BIOS anti-write jumper is skipped and the data cannot be updated.
Elimination process
Refer to the motherboard manua
Original source: http://www.fpga4fun.com/PCI-Express3.htmlpacketized transactionsPCI Express is a serial bus. Or is it? From the computer ' s perspective, it's a conventional bus where read and write transactions can be achieved.The trick is and all operations are packetized. Let's assume the CPU wants to write some data to a device. It forwards the order to the PCI Express Bridge which then creates a packe
/* Surfconfpcidevice. C */
/** Function functions:************ Find out the memory address of the PCI device of this type based on its vendor number, device number, and index number myindex.* Maps the physical address of the first memory to the virtual address.** Call an instance:************ If there are four PCI devices of this type, the function is called four times. The index number ranges from 0 ~ 3, a
->region, Plx->region + Plx->len);if (PLX)Kfree (PLX);Return-eio;}if (Request_mem_region (plx->region, Plx->len, "PLX"))//3, apply for use of the area{PLX-GT;FREEREGION_PLX = 1;}PLX-GT;ADDR = Ioremap (plx->region, Plx->len); 4, the physical address of the region is mapped to a virtual address, the program can only read and write to the virtual addressif (!PLX-GT;ADDR){PRINTK ("Cannot ioremap memory space at 0x%lx\n", plx->region);Goto ERR_OUT_FREE_PLX;}Pci_set_drvdata (Pdev, PLX);PRINTK ("Found
When you deploy a Hyper-V cluster, it is painful to configure the network. Different vendors or changed hardware la s are only two examples of challenges for automated deployment. In this article, I will share with you how PowerShell collects information about which network adapter is located on what PCI bus. You can use this information to rename the network adapter, combine and change the network adapter settings.
We start by collecting information
I----12/9/2015:12:39:18--N--0x806f00091381ffff--"Host Power" has been turned offI----12/9/2015:12:38:10--N--0x4000000e00000000--Remote Login successful. Login Id:userid from the Web at IP address 192.168.70.100E.----12/9/2015:12:30:1--N--0x806f03131701ffff-- A software NMI has occurred on system "sn# 06ap035" I----12/9/2015:12:28:31--N--0x816f03131701ffff--System "sn# 06ap035" have recovered from an NMII----12/9/2015:12:27:59--N--0x806f01091381ffff--"Host power" has been power cycledE----12/9/20
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